TY - JOUR TI - Erratum JO - Canadian journal of mathematics PY - 1966 SP - 1344 EP - 1344 VL - 18 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0008414X00041286/ DO - 10.1017/S0008414X00041286 ID - 10_1017_S0008414X00041286 ER -